Hi everyone
My problem is the following:
I'm trying to make a call from a sip phone (SJphone) behind a Restricted
Cone NAT towards and Asterisk behind another NAT (a freeBSD 3.3 using pf). By
now I'm only trying to play a record set in the remote Asterisk.
My soft phone registers without problems to the Asterisk but once the record
starts to play I get a hangup. SJphone outputs "End reason: Unable to
agree on media streams".
I'm forwarding SIP and IAX ports from the remote NAT towards the Asterisk
box (i've tryied it with IAX with no problems) using the following config in
the remote NAT:
/etc/pf.conf
.....
# outgoing UDP port 5060 connections use source port 5060 on firewall
nat on $ext_if inet proto udp from any port = 5060 to any -> ($ext_if) port
5060
# Redirect all trafic from NAT:asterisk_port to 192.168.1.5:asterisk_port
rdr on $ext_if inet proto { tcp, udp } from any to any port 4569 ->
192.168.1.5 port 4569
rdr on $ext_if inet proto { tcp, udp } from any to $ext_if port 5060 ->
192.168.1.5 port 5060
rdr on $ext_if inet proto { tcp , udp} from any to any port 10000:20000 ->
192.168.1.5 port 10000:20000
# Let the Internet see our services
pass in log-all quick on $ext_if inet proto { tcp, udp } from any to any port
4569 keep state
pass in log-all quick on $ext_if inet proto { tcp, udp } from any to any port
5060 keep state
.....
------------------------------------------------------------------
I think the problem might relay in this "pass in log-all" since once
I commented the last line and the SJphone was unable to register, but I
haven't found a way to set up a range using this "pass" command
(it complains saying that the " : " is valid only with the "rdr
" command) but I haven't found info explaining why I should (or
shouldn't) use this "pass" command.
My Asterisk config is:
sip.conf
[general]
port=5060
externip = www.theip.net
localnet = 192.168.1.0
localmask = 255.255.255.0
allow=all
[user]
....
nat=yes
canreinvite=no
host=dynamic
--------------------------------------------
extensions.conf
exten => 400,1,Background(/var/lib/asterisk/sounds/myrecord)
exten => 400,2,Hangup
exten => 400,102,Hangup
---------------------------------------------
Thanx a lot!
ww6
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